1. Department of Medicine, Division of Cardiology; Emory University School of Medicine; Atlanta Ga USA
2. Congenital Heart Center of Georgia; Atlanta Ga USA
3. Boston Adult Congenital Heart Disease and Pulmonary Hypertension Program, Harvard Medical School; Boston Ma USA
4. Department of Cardiology; Boston Children's Hospital; Boston Ma USA
5. Department of Medicine, Division of Cardiology; Brigham and Women's Hospital; Boston Ma USA
6. Department of Pediatrics; Emory University School of Medicine; Atlanta Ga USA
7. Sibley Heart Center; Atlanta Ga USA